Susan thinks that Katherine might be Julie's assailant, and Lynette has her own suspicions as to who did it. Meanwhile, Angie invites a reluctant Bree and Orson to dinner, and she also confronts husband Nick about a secret he's keeping from her.

Angie decides to leave Wisteria Lane with her family; Bree's affair with Karl becomes harder to hide, causing Susan to clash with Bree; Lynette's pregnancy puts her at odds with Gaby; and Mike and Katherine's argument turns hurtful.